package com.transaction.utils;

import java.security.MessageDigest;

public class MD5 {

	private static final String hexDigits[] = { "0", "1", "2", "3", "4", "5",
			"6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };

	public MD5() {
	}

	public static String byteArrayToString(byte b[]) {
		StringBuffer bths = new StringBuffer();
		for (int i = 0; i < b.length; i++)
			bths.append(byteToHexString(b[i]));

		return bths.toString();
	}

	private static String byteToHexString(byte b) {
		int n = b;
		if (n < 0)
			n += 256;
		int d1 = n / 16;
		int d2 = n % 16;
		return (new StringBuilder(String.valueOf(hexDigits[d1]))).append(
				hexDigits[d2]).toString();
	}

	public static String ToMD5(String origin) {
		String resultString = null;
		try {
			resultString = new String(origin);
			MessageDigest md = MessageDigest.getInstance("MD5");
			resultString = byteArrayToString(md.digest(resultString.getBytes()));
		} catch (Exception exception) {
		}
		return resultString;
	}

	public static void main(String[] args) {

	}

}